xref: /titanic_52/usr/src/cmd/dtrace/demo/user/errorpath.d (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*
23  * Copyright 2005 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 pid$1::$2:entry
28 {
29 	self->spec = speculation();
30 	speculate(self->spec);
31 	printf("%x %x %x %x %x", arg0, arg1, arg2, arg3, arg4);
32 }
33 
34 pid$1::$2:
35 /self->spec/
36 {
37 	speculate(self->spec);
38 }
39 
40 pid$1::$2:return
41 /self->spec && arg1 == 0/
42 {
43 	discard(self->spec);
44 	self->spec = 0;
45 }
46 
47 pid$1::$2:return
48 /self->spec && arg1 != 0/
49 {
50 	commit(self->spec);
51 	self->spec = 0;
52 }
53